JP2011200458A - Attachment for massage in oral cavity, and oral cavity device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an attachment for massage in an oral cavity, capable of reducing risks of injury to the inside of the oral cavity in massage; and an oral cavity device.SOLUTION: The attachment for massage in the oral cavity is mounted in a device body for massaging the inside of the oral cavity by applying reciprocative vibration, and includes a massage part 30 which acts on a target site for massage within the oral cavity. The massage part 30 is configured as a hollow structure with an internal space 33 disposed on the rear side of a contact surface 35 which is a surface to be brought into contact with the target site for massage within the oral cavity.

Description

  The present invention is attached to an apparatus main body that is a main body of an oral apparatus that applies reciprocating vibration to massage the oral cavity, and includes an attachment for an oral massage including a massage part that acts on a massage target site in the oral cavity, And an oral device provided with the attachment.

As a gum massage device as an oral device, for example, a device described in Patent Document 1 is known.
As shown in FIG. 8, the head portion 120 of this device includes a brush portion 121 that comes into contact with the gums, and a cushion portion 122 in which an air layer is sealed. According to this apparatus, when the brush part 121 is pressed against the gum, the cushion part 122 is elastically deformed. This reduces the pressure on the gums.

JP 2008-138631 A

By the way, gums in the oral cavity, cheeks, tongues, and lips in the oral cavity are covered with mucous membranes. For this reason, if it massages by pressing with a brush part, there exists a possibility of damaging the oral cavity.
This invention is made | formed in view of such a situation, The objective is to provide the attachment for intraoral massage and the apparatus for oral cavity which can reduce the risk of damaging the intraoral area accompanying a massage. .

  The attachment for intraoral massage according to the present invention is attached to an apparatus body that is a body of an oral apparatus that applies reciprocating vibration to massage the oral cavity, and includes a massage part that acts on a massage target site in the oral cavity. The massaging portion is characterized in that it is formed as a site having a hollow structure by providing a space on the back side of the contact surface, which is a surface in contact with the massaging target site in the oral cavity.

  In this attachment for intraoral massage, when the surface opposite to the contact surface of the massage portion is the inner surface, an attachment portion that is attached to the apparatus main body is provided in the space surrounded by the inner surface. The attachment part and the massage part are preferably connected to each other by a connection part.

In this attachment for intraoral massage, it is preferable that the connecting portion extends in the direction of reciprocal vibration of the attachment.
In this intraoral massage attachment, an upper end opening that opens the space toward the outside is provided at an upper end of the massage portion, and a lower end that opens the space toward the outside at the lower end of the massage portion It is preferable that an opening is provided and the space is continuously formed from the upper end opening to the lower end opening between the attachment portion and the inner side surface.

  In this intraoral massage attachment, it is preferable that the massage part is formed so that the cross-sectional shape of the massage part orthogonal to the center line of the attachment part is substantially circular.

  In this attachment for intraoral massage, the end of the massage part located on the apparatus main body side in the direction of reciprocating vibration of the attachment is the lower end and the end of the massage part located on the opposite side of the apparatus main body It is preferable that the center of the upper end is provided so as to protrude round.

In this intraoral massage attachment, the contact surface is preferably provided with a convex portion, a concave portion or an uneven portion.
In this attachment for intraoral massage, the massage part is preferably formed of a low elastic material.

In this intraoral massage attachment, a thermoplastic elastomer is preferably used as the low-elasticity material.
The intraoral massage apparatus of the present invention is characterized in that the attachment for intraoral massage is attached to the apparatus body.

  In this intraoral massage apparatus, the apparatus body is preferably an electric toothbrush body capable of periodically changing the amplitude of vibration applied to the oral cavity.

  ADVANTAGE OF THE INVENTION According to this invention, the attachment for intraoral massage which can reduce the possibility of damaging the intraoral area accompanying a massage, and the apparatus for oral cavity can be provided.

The schematic diagram which shows typically the structure of an intraoral massage apparatus about one Embodiment of this invention. About the structure of the head part of the attachment for intraoral massage of the embodiment, (a) is a plan view, (b) is a side view, (c) is a bottom view, and (d) is a cross-sectional view of arrow A in (b). . The wave form diagram which shows an example of the amplitude pattern of the intraoral massage apparatus of the embodiment. About the 1st modification of the head part of the attachment for intraoral massage of the embodiment, (a) is a top view and (b) is a side view. About the 2nd modification of the head part of the attachment for intraoral massage of the embodiment, (a) is a top view and (b) is a side view. About the 3rd modification of the head part of the attachment for intraoral massage of the embodiment, (a) is a top view, (b) is sectional drawing of the arrow B of (a). About the 4th modification of the head part of the attachment for intraoral massage of the embodiment, (a) is a top view and (b) is a sectional view of arrow C of (a). The schematic diagram which shows typically the head part of the conventional intraoral massage apparatus.

An embodiment of the present invention will be described with reference to FIGS.
FIG. 1 shows the overall configuration of the intraoral massage apparatus.
The intraoral massage apparatus 1 includes an intraoral massage attachment 10 and an apparatus main body 50 that applies vibration to the attachment. An electric toothbrush main body is used as the apparatus main body 50. Hereinafter, in the longitudinal direction of the intraoral massage apparatus 1, the side where the intraoral massage attachment 10 is located is the upper side, and the side where the apparatus main body 50 is located is the lower side.

  The apparatus main body 50 includes a drive unit 51 that forms power for moving the intraoral massage attachment 10, a power unit 55 that supplies power to the drive unit 51, and a housing 60 that accommodates these inside. Yes.

  The drive unit 51 includes a drive shaft 51a to which the intraoral massage attachment 10 is fixed, a motor 52 that reciprocally vibrates the drive shaft 51a in the coaxial direction, and a drive circuit unit 53 that drives the motor 52 with a vibration pattern. . The intraoral massage attachment 10 can be attached to and detached from the drive shaft 51a.

  The power unit 55 is configured by a storage battery or a rechargeable battery that supplies power of a predetermined voltage or less. The storage battery or the rechargeable battery is disposed in the housing 60 on the side opposite to the intraoral massage attachment 10 with respect to the axial direction.

  The upper surface portion 61 of the housing 60 is provided with an insertion hole through which the drive shaft 51a is inserted. A switch 54 is provided on the side surface portion 62 of the housing 60 to switch between supply and interruption of power to the drive circuit portion 53. When the intraoral massage attachment 10 is attached to the drive shaft 51 a, a gap is formed between the lower end surface 43 of the attachment 10 and the upper surface portion 61 of the housing 60.

  The intraoral massage attachment 10 includes a head unit 20 that massages the oral cavity and a support unit 40 that supports the head unit 20. The support portion 40 is tapered toward the distal end direction. A fixing part 41 to which the head part 20 is attached is provided at the tip of the support part 40.

  The head unit 20 is configured to be removable from the fixed unit 41. A fitting portion 42 for fitting the drive shaft 51a is provided at the base end of the support portion 40 opposite to the tip.

  As shown in FIG. 2, the head portion 20 includes an attachment portion 24 that is attached to the fixing portion 41 of the support portion 40 and a massage portion 30 that is pressed against a massage target site in the oral cavity. The massage part 30 and the attachment part 24 are integrally formed of an elastomer having a low elastic modulus. For example, an elastomer having a hardness of 40 degrees is employed.

  The attachment portion 24 has a vertically long bottomed hole 24a into which the fixing portion 41 is inserted. The diameter of the bottomed hole 24 a is smaller than the diameter of the fixed portion 41. When the head portion 20 is attached to the fixing portion 41, the bottomed hole 24a is enlarged, so that the head portion 20 is fixed in a state of being in close contact with the fixing portion 41.

  The entire head portion 20 is divided into an upper end portion 21, a lower end portion 22, and an intermediate portion 23 between the upper end portion 21 and the lower end portion 22. The upper end 21 is formed in a hemispherical shape. The lower end 22 is formed on a flat surface substantially perpendicular to the axial direction. The intermediate part 23 is formed in a cylindrical shape.

  The massage part 30 is comprised as a site | part which has a hollow structure. That is, the massage part 30 includes an outer peripheral part 31 having a contact surface 35 that comes into contact with a massage target site in the oral cavity, and a connection part 32 that connects the inner side surface 34 of the outer peripheral part 31 and the attachment part 24.

  The outer peripheral portion 31 is formed so that the cross-sectional shape of the massage portion 30 orthogonal to the center line of the attachment portion 24 is substantially circular. Four connection portions 32 are provided radially with respect to the attachment portion 24. Each connection part 32 is provided at substantially equal intervals in the circumferential direction. An angle formed by adjacent connection portions 32 in the circumferential direction is approximately 90 degrees. The space in the massage unit 30 is partitioned into four internal spaces 33 by four connection portions 32. That is, one internal space 33 is surrounded by the connection portion 32, the attachment portion 24, and the outer peripheral portion 31.

  Each internal space 33 is formed as a through hole that opens upward and downward of the head portion 20. That is, the upper end portion 21 of the head portion 20 is provided with an upper end opening portion 21 a and a lower end opening portion 22 a corresponding to each internal space 33. The size of the internal space 33 is set to allow a cotton swab to enter.

  The internal space 33 allows deformation of the outer peripheral portion 31 and the connecting portion 32. In other words, the deformation of the outer peripheral portion 31 is limited when the resin is filled in the portion of the internal space 33 in the head portion 20, but the deformation of the outer peripheral portion 31 and the mounting portion 24 is limited by the formation of the internal space 33. Permissible.

  The contact surface 35 of the outer peripheral portion 31 is provided with a convex portion 36 composed of a plurality of protrusions 37. The convex portion 36 is composed of six hemispherical protrusions 37. Each protrusion 37 is arranged in three rows at equal intervals in the axial direction and in two rows in the circumferential direction. The convex part 36 is provided between the connection parts 32 adjacent in the circumferential direction of the outer peripheral part 31.

Below, the relationship of the magnitude | size of each site | part of the head part 20 is demonstrated.
The length of the head portion 20 in the axial direction is larger than the diameter of the head portion 20. The radius of the hemispherical upper end portion 21 is longer than the radius of the head portion 20. Specifically, the length of the head portion 20 in the axial direction is 20 to 30 mm, and the diameter of the head portion 20 is 15 to 20 mm. Further, the radius of the upper end portion 21 is 15 to 25 mm, the thickness of the outer peripheral portion 31, that is, the thickness between the contact surface 35 and the inner side surface 34 is 1 to 2 mm, and the thickness of the connection portion 32 is 1 to 1 mm. It is 5 mm. The thickness of the mounting portion 24 is 1.5 to 2 mm. As the size of one projection 37, the diameter is 2 to 4 mm, the height from the surface is 0.5 to 1 mm, and the interval between the projections 37 is 3 to 7 mm.

The operation of the intraoral massage apparatus 1 will be described with reference to FIG.
The intraoral massage attachment 10 vibrates in the axial direction with a predetermined amplitude and a predetermined frequency. As shown in the figure, the vibration pattern is given by alternately repeating the vibration whose amplitude is set to 0.7 mm and the vibration whose amplitude is set to 1.4 mm. Yes. The former driving time and the latter driving time are substantially the same time. The frequency of vibration is set to a predetermined value of 120 to 350 Hz. The vibration of the drive shaft 51a starts when the switch 54 is turned on. When the switch 54 is turned off, the vibration of the drive shaft 51a stops.

Next, the usage method and operation | movement of the intraoral massage apparatus 1 are demonstrated.
The intraoral massage attachment 10 is attached to the apparatus main body 50, and the switch 54 of the apparatus main body 50 is turned on to vibrate the attachment. Next, the head unit 20 is inserted into the oral cavity, and the massage unit 30 is pressed against the target site for massage or stretching.

  For example, when the cheek portion is stretched, the portion of the massage portion 30 where the convex portion 36 is not formed is pressed against the cheek portion to stretch the cheek portion. When the head part 20 is pressed against the cheek part, the connecting part 32 and the outer peripheral part 31 are deformed. Moreover, a pressing force is appropriately applied to the cheek portion by the elastic force of the material forming the head portion 20. Further, the vibration of the apparatus main body 50 gives the head part 20 to the cheek part.

  When massaging the gums, the part of the massage part 30 where the convex part 36 is formed is pressed against the gums. At this time, the head portion 20 is deformed in the same manner as when the head portion 20 is stretched. At this time, the vibration of the apparatus main body 50 is applied to the gums through the protrusions 37 and the contact surface 35 of the head unit 20.

According to this embodiment, the following effects can be obtained.
(1) The massage part 30 of the head part 20 is formed as a hollow structure part by providing a space behind the contact surface 35. With this configuration, the internal space 33 is distorted and the massage part 30 is deformed, so that an appropriate elasticity can be given to the massage target part when the oral cavity is massaged or stretched (hereinafter referred to as “massage”).

  (2) In the intraoral massage attachment 10, an attachment portion 24 to which the apparatus main body is attached is provided in a space surrounded by the inner side surface 34 of the outer peripheral portion 31, and the attachment portion 24 and the massage portion 30 are connected to the connection portion 32. Are connected to each other. With this configuration, since a space is formed inside the outer peripheral portion 31, a hollow structure can be easily formed. Moreover, since the space | interval of the outer peripheral part 31 and the attaching part 24 can be changed by changing the height of the connection part 32, the degree of deformation | transformation of the head part 20, ie, the elasticity given to an oral cavity, is changed easily. Can do.

  (3) In the head part 20, the connection part 32 is extended in the direction of the reciprocating vibration of the attachment 10 for intraoral massage. With this configuration, the amount of deformation in the axial direction of the connection portion 32 is smaller than that in which the connection portion 32 is provided so as to extend in a direction perpendicular to the coaxial direction (hereinafter, referred to as a vertical extension type). . For this reason, the amount of deformation in the axial direction can be reduced as compared with the vertical stretch type.

  (4) The upper end 21 of the massage unit 30 is provided with an upper end opening 21a that opens the internal space 33 toward the outside. The lower end 22 of the massage unit 30 is provided with a lower end opening 22a that opens the internal space 33 toward the outside. Further, an internal space 33 is continuously formed between the attachment portion 24 and the inner side surface 34 from the upper end opening 21a to the lower end opening 22a.

  With this configuration, since the internal space 33 is formed as a through hole in the massage unit 30, it is possible to suppress the accumulation of secretory liquid and water secreted from the oral cavity in the head unit 20. Thereby, it is possible to suppress the occurrence of contamination due to accumulation of body fluid or water in the head portion 20. Further, since the cleaning water can flow in one direction in the internal space 33 when cleaning the head portion 20, the dirt in the internal space 33 can be efficiently removed.

  (5) In the head part 20, the massage part 30 is formed so that the shape of the cross section of the massage part 30 orthogonal to the center line of the attachment part 24 becomes a substantially circular shape. With this configuration, it is not necessary to determine the direction of the head unit 20 in order to press the massage unit 30 against the target site when massaging the oral cavity or massaging the gums. That is, the massage part 30 can be pressed against the massage target part from any direction of 360 degrees in the massage part 30.

  (6) The head portion 20 is formed so that the upper end portion 21 protrudes in the direction of reciprocating vibration of the intraoral massage attachment 10 and the middle portion of the upper end portion 21 is rounded. With this configuration, since the upper end portion 21 of the massage portion 30 protrudes, the massage portion 30 can be placed in the back of the oral cavity. Thereby, the inner part of the oral cavity can be massaged. Moreover, since the upper end portion 21 has a rounded shape and has a structure with few angular portions, it is possible to reduce the catch between the oral cavity and the upper end portion 21 and to prevent the oral cavity from being damaged.

  (7) A convex portion 36 is provided on the contact surface 35 of the massage portion 30. With this configuration, by pressing the massage part 30 provided with the convex part 36 against the gums and massaging the gums, an appropriate stimulus can be given to the gums, so that the circulation of the gums can be promoted.

  (8) The massage part 30 is formed of a low elastic material. With this configuration, since the massage unit 30 is configured with an appropriate hardness, it is possible to massage the oral cavity with a resilient stimulus.

  (9) The head portion 20 is made of an elastomer. Since the specific gravity of the elastomer is lighter than that of silicon rubber, the entire mass can be reduced as compared with the case where the head portion 20 is formed of silicon rubber. Thereby, compared with the case where the head part 20 is formed with silicon rubber, the power consumption amount when vibrating the intraoral massage attachment 10 can be reduced. Further, the mass of the head portion 20 can be adjusted by selecting an elastomer material based on the specific gravity.

  (10) The internal space 33 of the massage unit 30 is set to a size that allows the swab to enter. With this configuration, since the cotton swab can be inserted into the internal space 33 when cleaning the head portion 20, the inner portion of the head portion 20 can be efficiently cleaned.

  (11) In the intraoral massage apparatus 1, the amplitude of vibration applied to the oral cavity is periodically changed. According to this configuration, since the vibration of the intraoral massage attachment 10 automatically changes, it is possible to suppress habituation to vibration applied to the oral cavity such as the inner cheek or the gums.

(Other embodiments)
In addition, the embodiment of the present invention is not limited to the embodiment exemplified in the above-described embodiment, and can be implemented by changing it as shown below, for example. The following modifications are not applied only to the above-described embodiment, and different modifications can be combined with each other.

  In the above embodiment, the intraoral massage attachment 10 is driven by a pattern in which the drive with an amplitude of 0.7 mm and the drive with an amplitude of 1.4 mm are periodically repeated. However, the vibration method of the attachment for intraoral massage 10 is as follows. It is not limited to this. For example, the fluctuation of the amplitude width may be a sine wave. The amplitude width is not limited to the value in the embodiment. The amplitude width is preferably set to a value of 0.5 to 1.7 mm.

  In the above embodiment, an elastomer is used as the low-elasticity material that forms the head portion 20, but the material is not limited to this. For example, silicon rubber can be employed as a substitute for the elastomer.

  As a substitute for silicon rubber and elastomer, any resin that does not cause scratches in the oral cavity and can be appropriately deformed when applied to the cheek can be used as the head 20. .

  In the above embodiment, an example in which the convex portion 36 includes six protrusions 37 is shown, but the configuration of the convex portion 36 is not limited to this. For example, as shown in FIG. 4, the protrusions 37 can be arranged in a line in the vibration direction of the drive shaft 51 a, and the protrusions 37 can extend in the circumferential direction of the head unit 20. According to this configuration, the portion to be pressed by the axial vibration of the protrusion 37 spreads in a planar shape.

  -Moreover, as shown in FIG. 5, you may comprise the convex part 36 by providing the seven or more protrusions 37. As shown in FIG. Here, the length of the projection 37 in the direction perpendicular to the contact surface 35 is made larger than the diameter of the cross section of the projection 37. Thereby, the protrusion 37 swings when the protrusion 37 is pressed against the cheek and massage is performed. According to this configuration, a large number of stimuli can be given to a place to be massaged. Further, since the protrusion 37 swings, an appropriate stimulus can be given to the massage target part.

  -In above-mentioned embodiment, although the convex part 36 is provided in one of the parts divided in the circumferential direction in the outer peripheral part 31, the range which provides the convex part 36 is not limited to this. For example, the convex part 36 can be provided in the part over half in the circumferential direction of the outer peripheral part 31. It can also be provided over the entire circumferential direction of the outer peripheral portion 31. Further, the convex portion 36 can be provided only in the vicinity of the upper end portion 21 in the axial direction of the outer peripheral portion 31.

  -In above-mentioned embodiment, although the protrusion 37 is provided in the contact surface 35 as what gives irritation | stimulation to a gum or a cheek part, the structure of what gives irritation | stimulation is not limited to such protrusion. For example, instead of the convex portion 36, a concave portion composed of a plurality of bottomed holes 24 a can be provided on the contact surface 35, or an uneven portion in which a peak portion and a valley portion are continuous can be provided.

In the above embodiment, the convex portion 36 is provided on the contact surface 35. However, as shown in FIG. 6, the convex portion 36 may be omitted and the contact surface 35 may be flattened over the entire circumference.
In the above embodiment, four connection parts 32 are provided between the attachment part 24 and the outer peripheral part 31, but the number of connection parts 32 is not limited to four. If there are one or more connecting portions 32, the outer peripheral portion 31 can be fixed to the mounting portion 24. In addition, the degree of bending of the outer peripheral portion 31 can be changed by changing the number of connection portions 32.

  In the above embodiment, the connection portion 32 is provided in the space between the outer peripheral portion 31 and the attachment portion 24 disposed in the space in the outer peripheral portion 31, but the lower end portion of the outer peripheral portion 31 and the attachment portion 24 are provided. It is also possible to connect the lower end portion of the first and second lower ends with a connecting portion 32. Further, the upper end portion of the outer peripheral portion 31 and the upper end portion of the attachment portion 24 can be connected by the connection portion 32. In the case of this configuration, the connection part 32 in the space in the outer peripheral part 31 can be omitted.

  In the above embodiment, the internal space 33 surrounded by the connection portion 32, the attachment portion 24, and the outer peripheral portion 31 is configured as a through hole that opens upward and downward of the head, but is shown in FIG. As described above, the upper end portion 21 of the head may be closed. With this configuration, since the internal space 33 is supported by the connection portion 32 at the upper end portion 21, the elasticity of the massage portion 30 can be increased. Moreover, the cheek part can also be massaged by making the upper end part 21 into a hemispherical shape.

  In the above embodiment, the attachment portion 24 and the massage portion 30 are divided into four internal spaces 33 by the connection portion 32, and some of the internal spaces 33 are filled with elastomer. Can do. The deformation is small in the part where the elastomer exists. For this reason, in one head, since a part with big deformation and a part with small deformation can be provided, the selectivity of the hardness of massage part 30 used for massage can be given to a user's liking. .

  -In the said embodiment, each dimension of the head part 20 is not limited to the said size. Further, the relationship between the lengths of the head unit 20 is not limited to the above relationship. For example, the axial length of the head portion 20 can be made smaller than the diameter of the head portion 20.

  -In above-mentioned embodiment, although the massage part 30 and the attachment part 24 are integrally formed, the attachment part 24 and the massage part 30 can be formed by another member, and both can be assembled and the head part 20 can be formed. When the attachment portion 24 is formed of a material having high hardness, the fastening structure between the attachment portion 24 and the fixing portion 41 can be changed to a screw type.

  -In the said embodiment, the attachment 10 for intraoral massage is comprised as what is mounted | worn with the apparatus main body 50 for electric toothbrushes. However, the attachment 10 for intraoral massage is good also as what is mounted | worn with the apparatus main body only for intraoral massage.

  DESCRIPTION OF SYMBOLS 1 ... Intraoral massage apparatus (oral apparatus), 10 ... Attachment for intraoral massage, 20 ... Head part, 21 ... Upper end part, 21a ... Upper end opening part, 22 ... Lower end part, 22a ... Lower end opening part, 24 ... Installation , 30 ... massage part, 31 ... outer peripheral part, 32 ... connection part, 33 ... internal space, 34 ... inner surface, 35 ... contact surface, 36 ... convex part, 37 ... projection, 50 ... device main body.

Claims (11)

In the attachment for an oral massage including a massage part that acts on a massage target site in the oral cavity, which is attached to the apparatus main body which is a main body of the oral appliance for massaging the oral cavity by applying a reciprocating vibration,
The said massage part is formed as a site | part of a hollow structure by providing space in the back side of the contact surface which is a surface which contacts the massage object site | part in an oral cavity. The attachment for intraoral massage characterized by the above-mentioned. The attachment for intraoral massage according to claim 1,
When the surface opposite to the contact surface of the massage portion is the inner surface, an attachment portion that is attached to the apparatus main body is provided in the space surrounded by the inner surface, and the attachment portion and the massage are provided. An attachment for an intraoral massage, wherein the part is connected to each other by a connection part. The attachment for intraoral massage according to claim 2,
The attachment for oral cavity massage characterized in that the connecting portion extends in the direction of reciprocating vibration of the attachment. In the attachment for intraoral massage according to claim 2 or 3,
An upper end opening that opens the space toward the outside is provided at the upper end of the massage portion, and a lower end opening that opens the space toward the outside is provided at the lower end of the massage portion, and the attachment The intraoral massage attachment is characterized in that the space is continuously formed from the upper end opening to the lower end opening between the portion and the inner surface. In the attachment for intraoral massage according to any one of claims 2 to 4,
The massaging part is formed such that the cross-sectional shape of the massaging part orthogonal to the center line of the attachment part is substantially circular. In the attachment for intraoral massage according to any one of claims 2 to 5,
When the end of the massage part located on the apparatus main body side in the direction of reciprocating vibration of the attachment is the lower end, and the end of the massage part located on the opposite side of the apparatus main body is the upper end, An attachment for an intraoral massage, characterized in that the middle of the upper end is rounded and protrudes. In the attachment for intraoral massage according to any one of claims 1 to 6,
The contact surface is provided with a convex part, a concave part or an uneven part. In the attachment for intraoral massage according to any one of claims 1 to 7,
An attachment for intraoral massage, wherein the massage part is made of a low elastic material. The attachment for intraoral massage according to claim 8,
An attachment for an intraoral massage, wherein a thermoplastic elastomer is used as the low elastic material.   The oral cavity apparatus with which the attachment for intraoral massages as described in any one of Claims 1-9 was attached to the apparatus main body. The device for oral cavity according to claim 10,
The apparatus main body is an electric toothbrush main body capable of periodically changing the amplitude of vibration applied to the oral cavity.

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